/**
* @param data Retrieved data.
* @return SearchResult. Never null.
*/
public static SearchResult parseMapJSON(
final String data, final Tile tile, final Bitmap bitmap, final LivemapStrategy strategy) {
final SearchResult searchResult = new SearchResult();
try {
final LeastRecentlyUsedMap<String, String> nameCache =
new LeastRecentlyUsedMap.LruCache<>(2000); // JSON id, cache name
if (StringUtils.isEmpty(data)) {
throw new ParserException("No page given");
}
// Example JSON information
// {"grid":[....],
//
// "keys":["","55_55","55_54","17_25","55_53","17_27","17_26","57_53","57_55","3_62","3_61","57_54","3_60","15_27","15_26","15_25","4_60","4_61","4_62","16_25","16_26","16_27","2_62","2_60","2_61","56_53","56_54","56_55"],
// "data":{"55_55":[{"i":"gEaR","n":"Spiel & Sport"}],"55_54":[{"i":"gEaR","n":"Spiel &
// Sport"}],"17_25":[{"i":"Rkzt","n":"EDSSW: Rathaus "}],"55_53":[{"i":"gEaR","n":"Spiel &
// Sport"}],"17_27":[{"i":"Rkzt","n":"EDSSW: Rathaus "}],"17_26":[{"i":"Rkzt","n":"EDSSW:
// Rathaus "}],"57_53":[{"i":"gEaR","n":"Spiel & Sport"}],"57_55":[{"i":"gEaR","n":"Spiel &
// Sport"}],"3_62":[{"i":"gOWz","n":"Baumarktserie - Wer Wo Was
// -"}],"3_61":[{"i":"gOWz","n":"Baumarktserie - Wer Wo Was
// -"}],"57_54":[{"i":"gEaR","n":"Spiel & Sport"}],"3_60":[{"i":"gOWz","n":"Baumarktserie -
// Wer Wo Was -"}],"15_27":[{"i":"Rkzt","n":"EDSSW: Rathaus
// "}],"15_26":[{"i":"Rkzt","n":"EDSSW: Rathaus "}],"15_25":[{"i":"Rkzt","n":"EDSSW: Rathaus
// "}],"4_60":[{"i":"gOWz","n":"Baumarktserie - Wer Wo Was
// -"}],"4_61":[{"i":"gOWz","n":"Baumarktserie - Wer Wo Was
// -"}],"4_62":[{"i":"gOWz","n":"Baumarktserie - Wer Wo Was
// -"}],"16_25":[{"i":"Rkzt","n":"EDSSW: Rathaus "}],"16_26":[{"i":"Rkzt","n":"EDSSW:
// Rathaus "}],"16_27":[{"i":"Rkzt","n":"EDSSW: Rathaus
// "}],"2_62":[{"i":"gOWz","n":"Baumarktserie - Wer Wo Was
// -"}],"2_60":[{"i":"gOWz","n":"Baumarktserie - Wer Wo Was
// -"}],"2_61":[{"i":"gOWz","n":"Baumarktserie - Wer Wo Was
// -"}],"56_53":[{"i":"gEaR","n":"Spiel & Sport"}],"56_54":[{"i":"gEaR","n":"Spiel &
// Sport"}],"56_55":[{"i":"gEaR","n":"Spiel & Sport"}]}
// }
final ObjectNode json = (ObjectNode) JsonUtils.reader.readTree(data);
final ArrayNode grid = (ArrayNode) json.get("grid");
if (grid == null || grid.size() != (UTFGrid.GRID_MAXY + 1)) {
throw new ParserException("No grid inside JSON");
}
final ArrayNode keys = (ArrayNode) json.get("keys");
if (keys == null) {
throw new ParserException("No keys inside JSON");
}
final ObjectNode dataObject = (ObjectNode) json.get("data");
if (dataObject == null) {
throw new ParserException("No data inside JSON");
}
// iterate over the data and construct all caches in this tile
final Map<String, List<UTFGridPosition>> positions = new HashMap<>(); // JSON id as key
final Map<String, List<UTFGridPosition>> singlePositions = new HashMap<>(); // JSON id as key
for (final JsonNode rawKey : keys) {
final String key = rawKey.asText();
if (StringUtils.isNotBlank(key)) { // index 0 is empty
final UTFGridPosition pos = UTFGridPosition.fromString(key);
final ArrayNode dataForKey = (ArrayNode) dataObject.get(key);
for (final JsonNode cacheInfo : dataForKey) {
final String id = cacheInfo.get("i").asText();
nameCache.put(id, cacheInfo.get("n").asText());
List<UTFGridPosition> listOfPositions = positions.get(id);
List<UTFGridPosition> singleListOfPositions = singlePositions.get(id);
if (listOfPositions == null) {
listOfPositions = new ArrayList<>();
positions.put(id, listOfPositions);
singleListOfPositions = new ArrayList<>();
singlePositions.put(id, singleListOfPositions);
}
listOfPositions.add(pos);
if (dataForKey.size() == 1) {
singleListOfPositions.add(pos);
}
}
}
}
final List<Geocache> caches = new ArrayList<>();
for (final Entry<String, List<UTFGridPosition>> entry : positions.entrySet()) {
final String id = entry.getKey();
final List<UTFGridPosition> pos = entry.getValue();
final UTFGridPosition xy = UTFGrid.getPositionInGrid(pos);
final Geocache cache = new Geocache();
cache.setDetailed(false);
cache.setReliableLatLon(false);
cache.setGeocode(id);
cache.setName(nameCache.get(id));
cache.setCoords(tile.getCoord(xy), tile.getZoomLevel());
if (strategy.flags.contains(LivemapStrategy.Flag.PARSE_TILES) && bitmap != null) {
for (final UTFGridPosition singlePos : singlePositions.get(id)) {
if (IconDecoder.parseMapPNG(cache, bitmap, singlePos, tile.getZoomLevel())) {
break; // cache parsed
}
}
} else {
cache.setType(CacheType.UNKNOWN, tile.getZoomLevel());
}
boolean exclude = false;
if (Settings.isExcludeMyCaches()
&& (cache.isFound() || cache.isOwner())) { // workaround for BM
exclude = true;
}
if (Settings.isExcludeDisabledCaches() && cache.isDisabled()) {
exclude = true;
}
if (!Settings.getCacheType().contains(cache)
&& cache.getType() != CacheType.UNKNOWN) { // workaround for BM
exclude = true;
}
if (!exclude) {
caches.add(cache);
}
}
searchResult.addAndPutInCache(caches);
Log.d("Retrieved " + searchResult.getCount() + " caches for tile " + tile.toString());
} catch (RuntimeException | ParserException | IOException e) {
Log.e("GCMap.parseMapJSON", e);
}
return searchResult;
}
